Potential Methane at Shea Parkside

Last updated February 27, 2004


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Bubble Bubble Toil and Trouble ;-)

This map indicates the locations where suspicious bubbling has been observed in the ponds that form after rainstorms.


The oil sheen frequently visible in the lower county parcel is another hint at the area's oil production past.


I have sent my observations of suspicious bubbling to both Shea Homes and the Coastal Commission.  In mid-June 2003, 6 methane testing wells suddenly appeared, but they missed my M1 and M2 locations.  So I contacted Ron Metzler of Shea Homes to inform him about those omissions and a site visit was arranged where I showed Ron and his methane consultants the precise locations of M1 and M2.  Additional testing wells appeared at those locations shortly after the site visit.

I phoned Ron Metzler of Shea Homes in August 2003 to inquire about the results of the methane testing.  Ron reported that all locations tested negative for methane, but that the testing wells would be left in place in the event that further testing was deemed necessary.

The bubbling was observed during the wet season, but the negative testing results were obtained during the dry season.  All this means for sure is that no methane was present when the dry season testing was done.  If I observe further bubbling during the coming 2003-2004 wet season, I will ask that methane testing be repeated during the wet season.

Location M1 - March 16, 2003

Very vigorous bubbling was observed coming from the edge of the oats at the western boundary of the main farm field.  This was too far away to obtain a decent quality video image from my digital camera, but this still shot shows bubbles and ripples.  This location had BY FAR the highest rate of bubbling compared to the others.


The actual bubbling location is several feet beyond the right edge of this picture.

Location M2 - March 20, 2003

Click this thumbnail image to view a video clip of the bubbling in action.


Looking northwest where the bubbling was observed.  The yellow-painted terminus of the big high-pressure natural gas line can be seen in the eucalyptus trees at left in the background.

Location M3 - May 3, 2003


Click this thumbnail image to view a video clip of the bubbling in action.


A still photograph showing full-res detail of the vent and bubbles.


The location of the bubbling.  The Wintersburg Channel levee can be seen in the far background.

Location M4 - February 26, 2004


Click this thumbnail image to view a video clip of the bubbling in action.


A still photograph of the bubbling.


The location of the bubbling in what I call the "county palm wetland".  A palm frond is barely visible in the upper left corner, and the Wintersburg Channel is visible in the background.  Multiple locations were bubbling in this pond on this day.

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